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WorksheetsBasic Periodic Table Trends
Total questions: 10
Worksheet time: 11mins
Name
Class
Date
1.
How many valence electrons do group 2A elements have?
a)
1
b)
2
c)
3
d)
4
2.
Which elements have the same number of energy levels?
a)
Hydrogen, Sodium, Potassium
b)
Lithium, Carbon, Nitrogen
c)
Neon, Helium, Carbon
d)
Calcium, Magnesium, Borin
3.
Which element has the same number of valence electrons as oxygen?
a)
Sulfur
b)
Potassium
c)
Neon
d)
Sodium
4.
Which element has the same number of energy levels as calcium?
a)
Lithium
b)
Potassium
c)
Neon
d)
Helium
5.
How many electrons can fill the first energy level?
a)
2
b)
8
c)
3
d)
10
6.
In which group does this atom belong?
a)
1
b)
3
c)
13
d)
11
7.
How many energy levels does an atom of Chlorine have?
a)
2
b)
3
c)
4
d)
7
8.
Which element has the same number of valence electrons as this element?
a)
Bromine (Br)
b)
Nitrogen (N)
c)
Calcium (Ca)
d)
Boron (B)
9.
How many valence electrons does an atom of oxygen have?
a)
2
b)
5
c)
6
d)
16
10.
Periods are the rows of the periodic table. How many are there?
a)
7
b)
18
c)
12
d)
20
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